DG9408/9409
Vishay Siliconix
New Product
Document Number: 71870
S-21060--Rev. A, 05-Aug-02
www.vishay.com
1
Precision 8-Ch/Dual 4-Ch Low Voltage Analog Multiplexers
FEATURES
BENEFITS
APPLICATIONS
D
2.7-to 12-V Single Supply or
"
3- to
"
6-V
Dual Supply Operation
D
Low On-Resistance--r
ON
: 3.9
W
Typ.
D
Fast Switching: t
ON
-- 42 ns, t
OFF
-- 24 ns
D
Break-Before-Make Guaranteed
D
Low Leakage
D
TTL, CMOS, LV Logic (3 V) Compatible
D
2000-V ESD Protection (HBM)
D
High Accuracy
D
Single and Dual Power Rail Capacity
D
Wide Operating Voltage Range
D
Simple Logic Interface
D
Data Acquisition Systems
D
Battery Operated Equipment
D
Portable Test Equipment
D
Sample and Hold Circuits
D
Communication Systems
D
SDSL, DSLAM
D
Audio and Video Signal Routing
DESCRIPTION
The DG9408/9409 uses BiCMOS wafer fabrication
technology that allows the DG9408/9409 to operate on single
and dual supplies. Single supply voltage ranges from 3- to
12-V while dual supply operation is recommended with
"
3 to
"
6 V.
The DG9408 is an 8-channel single-ended analog multiplexer
designed to connect one of eight inputs to a common output
as determined by a 3-bit binary address (A
0
, A
1
, A
2
). The
DG9409 is a dual 4-channel differential analog multiplexer
designed to connect one of four differential inputs to a common
dual output as determined by its 2-bit binary address (A
0
, A
1
).
Break-before-make switching action to protect against
momentary crosstalk between adjacent channels.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
GND
S
6
S
4
S
3
S
7
EN
S
2
S
5
1
2
3
12
11
10
4
9
5
6
7
8
16
15
14
13
A
0
V+
A
1
S
8
S
1
A
2
V-
D
Decoder/Driver
Top View
DG9408
QFN16
GND
S
2a
S
4b
S
3b
S
3a
EN
S
2b
S
1a
1
2
3
12
11
10
4
9
5
6
7
8
16
15
14
13
A
0
V+
A
1
S
4a
S
1b
D
b
V-
D
a
Decoder/Driver
Top View
DG9409
QFN16
DG9408/9409
Vishay Siliconix
New Product
www.vishay.com
2
Document Number: 71870
S-21060--Rev. A, 05-Aug-02
TRUTH TABLES AND ORDERING INFORMATION
TRUTH TABLE DG9408
A
2
A
1
A
0
EN
On Switch
X
X
X
1
None
0
0
0
0
1
0
0
1
0
2
0
1
0
0
3
0
1
1
0
4
1
0
0
0
5
1
0
1
0
6
1
1
0
0
7
1
1
1
0
8
TRUTH TABLE DG9409
A
1
A
0
EN
On Switch
X
X
1
None
0
0
0
1
0
1
0
2
1
0
0
3
1
1
0
4
X = Don't Care
For low and high voltage levels for V
AX
and V
EN
consult "Digital Control" Parameters for Specific V+ operation. See Specifications
Tables for:
Single Supply 12 V
Dual Supply V+ = 5 V, V- = -5 V
Single Supply 5 V
Single Supply 3 V
ORDERING INFORMATION DG9408
Temp Range
Package
Part Number
-40 to 85
_
C
16-Pin QFN (4x4 mm)
DG9408DN
ORDERING INFORMATION DG9409
Temp Range
Package
Part Number
-40 to 85
_
C
16- Pin QFN (4x4 mm)
DG9409DN
ABSOLUTE MAXIMUM RATINGS
Voltage Referenced to V-
V+
14 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GND
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital Inputs
a
, V
S
, V
D
(V-) -0.3 V to (V+) +0.3 V
. . . . . . . . . . . . . . . . . . . . . . .
Current (Any Terminal Except S or D)
30 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous Current, S or D)
100 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak Current, S or D
(Pulsed at 1 ms, 10% Duty Cycle Max)
200 mA
. . . . . . . . . . . . . . . . . . . . . . . . .
Package Solder Reflow Conditions
d
16-Pin (4x4 mm) QFN
240
_
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature
-65 to 150
_
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (Package)
b
,
(T
A
= 70
_
C)
16-Pin (4x4 mm) QFN
c
1880 mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes
a.
Signals on S
X
, D
X
or IN
X
exceeding V+ or V- will be clamped by internal
diodes. Limit forward diode current to maximum current ratings.
b.
All leads soldered or welded to PC board.
c.
Derate 23.5 mW/
_
C above 70
_
C.
d.
Manual soldering with soldering iron is not recommended for leadless
components. The QFN is a leadless package. The end of the lead
terminal is exposed copper (not plated) as a result of the singulation
process in manufacturing. A solder fillet at the exposed copper lip cannot
be guaranteed and is not required to ensure adequate bottom side solder
interconnection.
DG9408/9409
Vishay Siliconix
New Product
Document Number: 71870
S-21060--Rev. A, 05-Aug-02
www.vishay.com
3
SPECIFICATIONS (SINGLE SUPPLY 12 V)
Test Conditions
Unless Otherwise Specified
Limits
-40 to 85
_
C
Parameter
Symbol
V+ = 12 V,
"
10%, V- = 0 V
V
A
, V
EN
= 0.8 V or 2.4 V
f
Temp
b
Min
c
Typ
d
Max
c
Unit
Analog Switch
Analog Signal Range
e
V
ANALOG
Full
0
12
V
On-Resistance
r
ON
V+ = 10.8 V, V
D
= 2 V or 9 V, I
S
= 50 mA
Sequence Each Switch On
Room
Full
4
7
7.5
r
ON
Match Between Channels
g
D
r
ON
Room
3.6
W
On-Resistance Flatness
i
r
ON
Flatness
V+ = 10.8 V, V
D
= 2 V or 9 V, I
S
= 50 mA
Room
8
I
S(off)
Room
Full
-2
-15
2
15
Switch Off Leakage Current
I
D(off)
V
EN
= 2.4 V, V
D
= 11 V or 1 V, V
S
= 1 V or 11 V
Room
Full
-2
-15
2
15
nA
Channel On Leakage Current
I
D(on)
V
EN
= 0 V, V
S
= V
D
= 1 V or 11 V
Room
Full
-2
-15
2
15
Digital Control
Logic High Input Voltage
V
INH
Full
2.4
Logic Low Input Voltage
V
INL
Full
0.8
V
Input Current
I
IN
V
AX
= V
EN
= 2.4 V or 0.8 V
Full
-1
1
m
A
Dynamic Characteristics
Transition Time
t
TRANS
V
S1
= 8 V, V
S8
= 0 V, (DG9408)
V
S1b
= 8 V, V
S4b
= 0 V, (DG9409)
See Figure 2
Room
Full
42
71
75
Break-Before-Make Time
t
BBM
V
S(all)
= V
DA
= 5 V
See Figure 4
Room
Full
2
24
ns
Enable Turn-On Time
t
ON(EN)
V
AX
= 0 V, V
S1
= 5 V (DG9408)
Room
Full
42
70
75
ns
Enable Turn-Off Time
t
OFF(EN)
V
AX
= 0 V, V
S1b
= 5 V (DG9409)
See Figure 3
Room
Full
24
44
46
Charge Injection
e
Q
C
L
= 1 nF, V
GEN
= 0 V, R
GEN
= 0
W
Room
29
pC
Off Isolation
e, h
OIRR
W
Room
-80
Crosstalk
e
X
TALK
f = 100 kHz, R
L
= 1 k
W
Room
-85
dB
DG9408
Room
21
Source Off Capacitance
e
C
S(off)
f = 1 MHz, V
S
= 0 V, V
EN
= 2.4 V
DG9409
Room
23
DG9408
Room
211
Drain Off Capacitance
e
C
D(off)
f = 1 MHz, V
D
= 0 V, V
EN
= 2.4 V
DG9409
Room
112
pF
DG9408
Room
238
Drain On Capacitance
e
C
D(on)
f = 1 MHz, V
D
= 0 V, V
EN
= 0 V
DG9409
Room
137
Power Supplies
Power Supply Current
I+
V
EN
= V
A
= 0 V or V+
Room
1.0
m
A
DG9408/9409
Vishay Siliconix
New Product
www.vishay.com
4
Document Number: 71870
S-21060--Rev. A, 05-Aug-02
SPECIFICATIONS (DUAL SUPPLY V+ = 5 V, V- = -5 V)
Test Conditions
Unless Otherwise Specified
Limits
-40 to 85
_
C
Parameter
Symbol
V+ = 5 V, V- = -5 V
"
10%
V
A
, V
EN
= 0.8 V or 2.0 V
f
Temp
b
Min
c
Typ
d
Max
c
Unit
Analog Switch
Analog Signal Range
e
V
ANALOG
Full
-5
5
V
On-Resistance
r
ON
V+ = 4.5 V, V- = -4.5 V, V
D
=
"
3.5 V, I
S
= 50 mA
Sequence Each Switch On
Room
Full
5
8
8.5
r
ON
Match Between Channels
g
D
r
ON
Room
3.6
W
On-Resistance Flatness
i
r
ON
Flatness
V+ = 4.5 V, V- = -4.5 V, V
D
=
"
3.5 V, I
S
= 50 mA
Room
8.2
I
S(off)
V+ = 5.5 V, V- = -5.5 V
Room
Full
-2
-15
2
15
Switch Off Leakage Current
a
I
D(off)
V+ = 5.5 V, V- = -5.5 V
V
EN
= 2.4 V, V
D
=
"
4.5 V, V
S
=
#
4.5 V
Room
Full
-2
-15
2
15
nA
Channel On Leakage Current
a
I
D(on)
V+ = 5.5 V, V- = -5.5 V
V
EN
= 0 V, V
D
=
"
4.5 V, V
S
=
#
4.5 V
Room
Full
-2
-15
2
15
Digital Control
Logic High Input Voltage
V
INH
Full
2.0
Logic Low Input Voltage
V
INL
Full
0.8
V
Input Current
a
I
IN
V
AX
= V
EN
= 2.0 V or 0.8 V
Full
-1
1
m
A
Dynamic Characteristics
Transition Time
e
t
TRANS
V
S1
= 3.5 V, V
S8
= -3.5 V, (DG9408)
V
S1b
= 3.5 V, V
S4b
= -3.5 V, (DG9409)
See Figure 2
Room
Full
68
89
94
Break-Before-Make Time
e
t
BBM
V
S(all)
= V
DA
= 3.5 V
See Figure 4
Room
Full
1
16
ns
Enable Turn-On Time
e
t
ON(EN)
V
AX
= 0 V, V
S1
= 3.5 V (DG9408)
Room
Full
68
88
94
ns
Enable Turn-Off Time
e
t
OFF(EN)
V
AX
= 0 V, V
S1b
= 3.5 V (DG9409)
See Figure 3
Room
Full
58
78
81
DG9408
Room
23
Source Off Capacitance
e
C
S(off)
f = 1 MHz, V
S
= 0 V, V
EN
= 2.0 V
DG9409
Room
23
DG9408
Room
223
Drain Off Capacitance
e
C
D(off)
f = 1 MHz, V
D
= 0 V, V
EN
=2. 0 V
DG9409
Room
113
pF
DG9408
Room
246
Drain On Capacitance
e
C
D(on)
f = 1 MHz, V
D
= 0 V, V
EN
= 0 V
DG9409
Room
137
Power Supplies
I+
Room
1.0
m
Power Supply Current
I-
V
EN
= V
A
= 0 V or V+
Room
-1.0
m
A
DG9408/9409
Vishay Siliconix
New Product
Document Number: 71870
S-21060--Rev. A, 05-Aug-02
www.vishay.com
5
SPECIFICATIONS (SINGLE SUPPLY 5 V)
Test Conditions
Unless Otherwise Specified
Limits
-40 to 85
_
C
Parameter
Symbol
V+ = 5 V,
"
10%, V- = 0 V
V
A
, V
EN
= 0.8 V or 2.0 V
f
Temp
b
Min
c
Typ
d
Max
c
Unit
Analog Switch
Analog Signal Range
e
V
ANALOG
Full
0
5
V
On-Resistance
r
ON
V+ = 4.5 V, V
D
or V
S
= 1 V or 3.5 V,
I
S
= 50 mA
Room
Full
7
10.5
11
r
ON
Match Between Channels
g
D
r
ON
Room
3.6
W
On-Resistance Flatness
i
r
ON
Flatness
V+ = 4.5 V, V
D
= 1 V or 3.5 V, I
S
= 50 mA
Room
9
I
S(off)
V+ = 5.5 V
Room
Full
-2
-15
2
15
Switch Off Leakage Current
a
I
D(off)
V+ = 5.5 V
V
S
= 1 V or 4 V, V
D
= 4 V or 1 V
Room
Full
-2
-15
2
15
nA
Channel On Leakage Current
a
I
D(on)
V+ = 5.5 V
V
D
= V
S
= 1 V or 4 V, Sequence Each Switch On
Room
Full
-2
-15
2
15
Digital Control
Logic High Input Voltage
V
INH
Full
2.0
Logic Low Input Voltage
V
INL
V+ = 5 V
Full
0.8
V
Input Current
a
I
IN
V
AX
= V
EN
= 2.0 V or 0.8 V
Full
-1
1
m
A
Dynamic Characteristics
Transition Time
e
t
TRANS
V
S1
= 3.5 V, V
S8
= 0 V, (DG9408)
V
S1b
= 3.5 V, V
S4b
= 0 V, (DG9409)
See Figure 2
Room
Full
73
94
104
Break-Before-Make Time
e
t
OPEN
V
S(all)
= V
DA
= 3.5 V
See Figure 4
Room
Full
2
29
ns
Enable Turn-On Time
e
t
ON(EN)
V
AX
= 0 V, V
S1
= 3.5 V (DG9408)
Room
Full
74
94
104
ns
Enable Turn-Off Time
e
t
OFF(EN)
V
AX
= 0 V, V
S1b
= 3.5 V (DG9409)
See Figure 3
Room
Full
38
57
61
Charge Injection
e
Q
C
L
= 1 nF, R
GEN
= 0
W
, V
GEN
= 0 V
Room
20
pC
Off Isolation
e,
h
OIRR
W
Room
-81
Crosstalk
e
X
TALK
R
L
= 1 k
W,
f = 100 kHz
Room
-85
dB
DG9408
Room
22
Source Off Capacitance
e
C
S(off)
f = 1 MHz, V
S
= 0 V, V
EN
= 0 V
DG9409
Room
24
DG9408
Room
223
Drain Off Capacitance
e
C
D(off)
f = 1 MHz, V
D
= 0 V, V
EN
= 2.0 V
DG9409
Room
113
pF
DG9408
Room
244
Drain On Capacitance
e
C
D(on)
f = 1 MHz, V
D
= 0 V, V
EN
= 0 V
DG9409
Room
143
Power Supplies
Power Supply Current
I+
V
EN
= V
A
= 0 V or V+
Room
1.0
m
A
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